The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 28, 1986
Filed:
Nov. 05, 1984
Applicant:
Inventor:
Stanley L Bowlin, Weatherford, TX (US);
Assignee:
North American Philips Corporation, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
B23K / ; H01C / ; B44C / ; C23F / ;
U.S. Cl.
CPC ...
156627 ; 156643 ; 156655 ; 156656 ; 156667 ; 2191 / ; 2191 / ; 338195 ; 427 531 ; 427102 ;
Abstract
A method for trimming precision resistors which includes forming a helical groove in a conductive film coating on a cylindrical core. Final trimming includes forming discrete circular depressions in the film coating by using a pulsed laser. This method enables the manufacture of precision resistors having a tolerance of 0.25% or better.
Quick Actions:
Bowlin, Stanley. (1986). Method of trimming precision resistors (U.S. Patent No. 4566936). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4566936
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile